[bug#63296] [PATCH] gnu: Add capnproto-0.9

[Franz Geffke]

diff --git a/gnu/packages/serialization.scm b/gnu/packages/serialization.scm
index 39954d6764..d0b44f7709 100644
--- a/gnu/packages/serialization.scm
+++ b/gnu/packages/serialization.scm
@@ -613,6 +613,20 @@ (define-public capnproto
 RPC system.  Think JSON, except binary.  Or think Protocol Buffers, except 
faster.")
     (license license:expat)))

+(define-public capnproto-0.9
+  (package
+    (inherit capnproto)
+    (name "capnproto")
+    (version "0.9.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://capnproto.org/capnproto-c++-";
+                    version ".tar.gz"))
+              (sha256
+               (base32
+                "0hi5lpyhskdg99n9zgn0ffr79gn12m1j7igkp9wikklg2p4yjca0"))))))
+
 (define-public python-ruamel.yaml
   (package
     (name "python-ruamel.yaml")